Complement-fixing antibodies to bedsonia organisms in Reiter's syndrome and ankylosing spondylitis.
D000328:Adult; D001168:Arthritis / Q000276:immunology; D016918:Arthritis, Reactive / Q000276:immunology*; D002690:Chlamydia Infections / Q000276:immunology*; D003168:Complement Fixation Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D012749:Sexually Transmitted Diseases / Q000276:immunology; D013167:Spondylitis, Ankylosing / Q000276:immunology*